package main

import "fmt"

func main() {
	sl_from := []int{1, 2, 3}
	sl_to := make([]int, 10)

	n := copy(sl_to, sl_from)
	fmt.Println(sl_to)
	fmt.Printf("Copied %d elements\n", n)

	sl13 := []int{1, 2, 3}
	sl13 = append(sl13, 4, 5, 7)
	fmt.Println(sl13)
}
